291247421900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2741}}^1\times {\mathrm{17419}}^1$

素因数の和:20235

約数の個数: 72

約数和(自身を含む): 642638920560

約数和(自身を除く): 351391498660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 2741, 3050, 5482, 6100, 10964, 13705, 17419, 27410, 34838, 54820, 68525, 69676, 87095, 137050, 167201, 174190, 274100, 334402, 348380, 435475, 668804, 836005, 870950, 1062559, 1672010, 1741900, 2125118, 3344020, 4180025, 4250236, 5312795, 8360050, 10625590, 16720100, 21251180, 26563975, 47745479, 53127950, 95490958, 106255900, 190981916, 238727395, 477454790, 954909580, 1193636975, 2387273950, 2912474219, 4774547900, 5824948438, 11649896876, 14562371095, 29124742190, 58249484380, 72811855475, 145623710950, 291247421900]

約数ペア:

[(1, 291247421900), (2, 145623710950), (4, 72811855475), (5, 58249484380), (10, 29124742190), (20, 14562371095), (25, 11649896876), (50, 5824948438), (61, 4774547900), (100, 2912474219), (122, 2387273950), (244, 1193636975), (305, 954909580), (610, 477454790), (1220, 238727395), (1525, 190981916), (2741, 106255900), (3050, 95490958), (5482, 53127950), (6100, 47745479), (10964, 26563975), (13705, 21251180), (17419, 16720100), (27410, 10625590), (34838, 8360050), (54820, 5312795), (68525, 4250236), (69676, 4180025), (87095, 3344020), (137050, 2125118), (167201, 1741900), (174190, 1672010), (274100, 1062559), (334402, 870950), (348380, 836005), (435475, 668804)]